Which way do polls lean?

Plots showing differences from overall trend

Place the mouse pointer over the image below to see trends in the residuals. In each panel, the residuals are calculated as the difference from what the trend would be if those polls were omitted, i.e., for Gallup, the trend is based on all polls except for the Gallup polls.

Bush approval residuals

If you got to this page directly, you may want to know that the underlying data and trends are discussed more fully at this page.

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R. Chung